Finding the Fourth Proportional to 5,509,550.80, 8,264,326.20 and 3,990,023.20
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Solution
The fourth proportional to 5,509,550.80, 8,264,326.20 and 3,990,023.20 is: 5,985,034.80
Step by Step Solution
- Step 1: Write the proportion equation
5,509,550.80 : 8,264,326.20 = 3,990,023.20 : x - Step 2: Convert to fraction form
5,509,550.80/8,264,326.20 = 3,990,023.20/x - Step 3: Cross multiply
5,509,550.80x = 8,264,326.20 × 3,990,023.20 - Step 4: Simplify right side
5,509,550.80x = 32,974,853,270,367.84 - Step 5: Solve for x
x = 32,974,853,270,367.84/5,509,550.80 - Step 6: Final answer
x = 5,985,034.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.